Code at machine speed. Security at machine speed.
Zolt reviews every pull request for security. It follows each change from where input enters to where it could do damage, tells you whether the issue is exploitable, and hands you the fix.
Code is written faster than anyone can read it
AI made writing code cheap. Reviewing it is still a person reading a diff, and that person's week did not get longer. Review capacity stayed flat while output went vertical, so review quietly turned into sampling.
The question is no longer whether you can find issues. It's which ones are worth an engineer's afternoon.
Agents merge in an hour what a team used to merge in a month. Every diff is a place a vulnerability can enter.
The annual pentest arrives once a year against a codebase that changes every day. Most of what it finds is already in production.
Scanners answer volume with more volume: hundreds of unranked alerts and no one to say which one matters.
What happens to a diff between push and merge
Follow one real change through the four things Zolt does to it. Click a step, or walk through with Next.
The diff adds a report export. Zolt follows req.id from the request into the query and finds nothing along the way that checks which organisation is asking.
req.id · query parameter · attacker-controlled
Pathexport_report() → reports.find() · no tenant filter on the way
SinkDatabase read of a record that can belong to another organisation.
VerdictExploitable · Critical · IDOR · CWE-639 · 94% confidence
Nothing reaches your pull request until the path is complete. A pattern with no route from input to impact is a finding you never see.
113 def export_report(req, ctx):- 114 doc = reports.find(req.id)+ 114 doc = reports.find(req.id, org=ctx.org) 115 return render(doc)
113 def export_report(req, ctx):✓ 114 doc = reports.find(req.id, org=ctx.org) 115 return render(doc)
Plugs into where your code already lives
Connect a repository in under two minutes. Findings show up where your team already works: the pull request, the ticket, the channel, the editor, the coding agent.
The fix goes back to whatever wrote the bug
Most of the code Zolt reviews was written by a coding agent. So every finding ships with a prompt written for one: the file, the line, what is wrong, and what a correct fix looks like. Hand it over and the loop closes without anyone retyping anything.
In src/routes/invoices.js around line 15, fix this path-traversal vulnerability: req.query.filename flows into path.join(config.uploadDir, filename) unvalidated. Use path.basename on the user-supplied name and reject any resolved path outside config.uploadDir. Keep the existing response shape.
A scanner asks what the code looks like. Zolt asks where the data goes.
Static scanners match insecure code patterns. The pattern is real, but most matches are not reachable by anyone outside your team, and the scanner has no way to tell. Zolt starts from the input, follows it through the codebase, and reports only when it arrives somewhere an attacker could use.
Looks at each line on its own. If the shape matches a known-bad pattern, it alerts, and it does that twelve times on this PR.
Starts at the input and follows it. Three places could have stopped the value; none did, so the finding is real and it is the only one posted.
Every PR. Every host. One reviewer.
Zolt reviews every pull request on every host, then routes the finding — and the fix — to where your team works.
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